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Software Configuration Guide—Release 15.0(2)SG
OL-23818-01
Chapter 30 Configuring Layer 3 Interfaces
Configuring VLANs as Layer 3 Interfaces
To apply SVI Autostate Exclude, perform this task:
This example shows how to apply SVI Autostate Exclude on interface g3/1:
Switch# conf terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# interface g3/1
Switch(config-if)# switchport autostate exclude
Switch(config-if)# end
Switch# show run int g3/4
Building configuration...
Current configuration : 162 bytes
!
interface GigabitEthernet3/4
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 2,3
switchport autostate exclude <=====
switchport mode trunk
end
Switch# show int g3/4 switchport
Name: Gi3/4
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: On Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1
(default) Administrative Native VLAN tagging: enabled Voice VLAN: none Administrative
private-vlan host-association: none Administrative private-vlan mapping: none
Administrative private-vlan trunk native VLAN: none Administrative private-vlan trunk
Native VLAN tagging: enabled Administrative private-vlan trunk encapsulation: dot1q
Administrative private-vlan trunk normal VLANs: none Administrative private-vlan trunk
associations: none Administrative private-vlan trunk mappings: none Operational
private-vlan: none Trunking VLANs Enabled: 2,3 Pruning VLANs Enabled: 2-1001 Capture Mode
Disabled Capture VLANs Allowed: ALL
Autostate mode exclude <======
Unknown unicast blocked: disabled
Unknown multicast blocked: disabled
Appliance trust: none
Switch#
Command Purpose
Step 1
Switch# configure terminal
Enters global configuration mode.
Step 2
Switch(config)# interface interface-id
Enters interface configuration mode.
Step 3
Switch(config-if)# switchport autostate exclude
Excludes the access ports and trunks in defining the
status of an SVI (up or down).
Step 4
Switch(config)# end
Exits configuration mode.
Step 5
Switch# show run int g3/4
Displays the running configuration.
Step 6
Switch# show int g3/4 switchport
Verifies the configuration.